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Finding the Fourth Proportional to 48,641.82, 67,125.74 and 26,285.82

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Solution

The fourth proportional to 48,641.82, 67,125.74 and 26,285.82 is: 36,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.82 : 67,125.74 = 26,285.82 : x
  2. Step 2: Convert to fraction form
    48,641.82/67,125.74 = 26,285.82/x
  3. Step 3: Cross multiply
    48,641.82x = 67,125.74 × 26,285.82
  4. Step 4: Simplify right side
    48,641.82x = 1,764,455,119.01
  5. Step 5: Solve for x
    x = 1,764,455,119.01/48,641.82
  6. Step 6: Final answer
    x = 36,274.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.